Edition (2009) 1080p — Avatar - Extended Collectors

The in 1080p is a comprehensive three-disc Blu-ray set released in 2010. It is widely regarded by enthusiasts as the definitive high-definition home release of the film due to its inclusion of three separate cuts and over eight hours of supplemental material. Movie Versions (Disc 1)

The longest version, adding 16 minutes to the theatrical runtime. It features an exclusive alternate opening on Earth that provides deeper context for Jake Sully's life before Pandora. Technical Specifications Avatar - Extended Collectors Edition (2009) 1080p

This disc uses seamless branching to offer three distinct ways to watch the film: The in 1080p is a comprehensive three-disc Blu-ray

The version seen in theaters in December 2009. It features an exclusive alternate opening on Earth

According to technical reviews from Blu-ray.com and High-Def Digest :

Includes approximately 8-9 minutes of additional footage, including the "Sturmbeest Hunt" and expanded battle sequences.